title: [Observations on the reactions and preventive efficacy of lyophilized group A meningococcal polysaccharide vaccine (author's transl)].
mesh_terms: D000293:Adolescent; D001428:Bacterial Vaccines / Q000276:immunology*; D002648:Child; D005612:Freeze Drying; D006801:Humans; D007114:Immunization; D009345:Neisseria meningitidis / Q000276:immunology*; D011134:Polysaccharides / Q000276:immunology*
chemical_list: D001428:Bacterial Vaccines; D011134:Polysaccharides